/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.util;
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import android.app.AppOpsManager;
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import android.content.ActivityNotFoundException;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.LauncherActivityInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.content.pm.ResolveInfo;
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import android.graphics.Rect;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.os.PatternMatcher;
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import android.os.UserHandle;
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import android.text.TextUtils;
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import android.util.Log;
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import android.widget.Toast;
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import com.android.launcher3.AppInfo;
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import com.android.launcher3.ItemInfo;
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import com.android.launcher3.LauncherAppWidgetInfo;
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import com.android.launcher3.PendingAddItemInfo;
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import com.android.launcher3.PromiseAppInfo;
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import com.android.launcher3.R;
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import com.android.launcher3.WorkspaceItemInfo;
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import com.android.launcher3.compat.LauncherAppsCompat;
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import java.net.URISyntaxException;
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import java.util.List;
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/**
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* Utility methods using package manager
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*/
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public class PackageManagerHelper {
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private static final String TAG = "PackageManagerHelper";
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private final Context mContext;
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private final PackageManager mPm;
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private final LauncherAppsCompat mLauncherApps;
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public PackageManagerHelper(Context context) {
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mContext = context;
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mPm = context.getPackageManager();
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mLauncherApps = LauncherAppsCompat.getInstance(context);
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}
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/**
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* Returns true if the app can possibly be on the SDCard. This is just a workaround and doesn't
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* guarantee that the app is on SD card.
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*/
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public boolean isAppOnSdcard(String packageName, UserHandle user) {
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ApplicationInfo info = mLauncherApps.getApplicationInfo(
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packageName, PackageManager.MATCH_UNINSTALLED_PACKAGES, user);
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return info != null && (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
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}
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/**
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* Returns whether the target app is suspended for a given user as per
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* {@link android.app.admin.DevicePolicyManager#isPackageSuspended}.
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*/
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public boolean isAppSuspended(String packageName, UserHandle user) {
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ApplicationInfo info = mLauncherApps.getApplicationInfo(packageName, 0, user);
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return info != null && isAppSuspended(info);
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}
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public boolean isSafeMode() {
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return mContext.getPackageManager().isSafeMode();
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}
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public Intent getAppLaunchIntent(String pkg, UserHandle user) {
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List<LauncherActivityInfo> activities = mLauncherApps.getActivityList(pkg, user);
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return activities.isEmpty() ? null :
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AppInfo.makeLaunchIntent(activities.get(0));
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}
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/**
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* Returns whether an application is suspended as per
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* {@link android.app.admin.DevicePolicyManager#isPackageSuspended}.
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*/
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public static boolean isAppSuspended(ApplicationInfo info) {
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return (info.flags & ApplicationInfo.FLAG_SUSPENDED) != 0;
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}
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/**
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* Returns true if {@param srcPackage} has the permission required to start the activity from
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* {@param intent}. If {@param srcPackage} is null, then the activity should not need
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* any permissions
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*/
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public boolean hasPermissionForActivity(Intent intent, String srcPackage) {
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ResolveInfo target = mPm.resolveActivity(intent, 0);
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if (target == null) {
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// Not a valid target
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return false;
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}
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if (TextUtils.isEmpty(target.activityInfo.permission)) {
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// No permission is needed
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return true;
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}
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if (TextUtils.isEmpty(srcPackage)) {
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// The activity requires some permission but there is no source.
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return false;
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}
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// Source does not have sufficient permissions.
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if(mPm.checkPermission(target.activityInfo.permission, srcPackage) !=
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PackageManager.PERMISSION_GRANTED) {
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return false;
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}
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// On M and above also check AppOpsManager for compatibility mode permissions.
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if (TextUtils.isEmpty(AppOpsManager.permissionToOp(target.activityInfo.permission))) {
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// There is no app-op for this permission, which could have been disabled.
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return true;
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}
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// There is no direct way to check if the app-op is allowed for a particular app. Since
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// app-op is only enabled for apps running in compatibility mode, simply block such apps.
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try {
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return mPm.getApplicationInfo(srcPackage, 0).targetSdkVersion >= Build.VERSION_CODES.M;
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} catch (NameNotFoundException e) { }
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return false;
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}
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public Intent getMarketIntent(String packageName) {
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return new Intent(Intent.ACTION_VIEW)
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.setData(new Uri.Builder()
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.scheme("market")
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.authority("details")
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.appendQueryParameter("id", packageName)
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.build())
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.putExtra(Intent.EXTRA_REFERRER, new Uri.Builder().scheme("android-app")
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.authority(mContext.getPackageName()).build());
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}
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/**
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* Creates a new market search intent.
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*/
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public static Intent getMarketSearchIntent(Context context, String query) {
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try {
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Intent intent = Intent.parseUri(context.getString(R.string.market_search_intent), 0);
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if (!TextUtils.isEmpty(query)) {
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intent.setData(
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intent.getData().buildUpon().appendQueryParameter("q", query).build());
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}
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return intent;
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} catch (URISyntaxException e) {
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throw new RuntimeException(e);
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}
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}
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public static Intent getStyleWallpapersIntent(Context context) {
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return new Intent(Intent.ACTION_SET_WALLPAPER).setComponent(
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new ComponentName(context.getString(R.string.wallpaper_picker_package),
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"com.android.customization.picker.CustomizationPickerActivity"));
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}
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/**
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* Starts the details activity for {@code info}
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*/
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public void startDetailsActivityForInfo(ItemInfo info, Rect sourceBounds, Bundle opts) {
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if (info instanceof PromiseAppInfo) {
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PromiseAppInfo promiseAppInfo = (PromiseAppInfo) info;
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mContext.startActivity(promiseAppInfo.getMarketIntent(mContext));
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return;
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}
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ComponentName componentName = null;
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if (info instanceof AppInfo) {
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componentName = ((AppInfo) info).componentName;
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} else if (info instanceof WorkspaceItemInfo) {
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componentName = info.getTargetComponent();
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} else if (info instanceof PendingAddItemInfo) {
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componentName = ((PendingAddItemInfo) info).componentName;
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} else if (info instanceof LauncherAppWidgetInfo) {
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componentName = ((LauncherAppWidgetInfo) info).providerName;
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}
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if (componentName != null) {
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try {
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mLauncherApps.showAppDetailsForProfile(
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componentName, info.user, sourceBounds, opts);
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} catch (SecurityException | ActivityNotFoundException e) {
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Toast.makeText(mContext, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
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Log.e(TAG, "Unable to launch settings", e);
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}
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}
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}
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/**
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* Creates an intent filter to listen for actions with a specific package in the data field.
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*/
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public static IntentFilter getPackageFilter(String pkg, String... actions) {
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IntentFilter packageFilter = new IntentFilter();
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for (String action : actions) {
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packageFilter.addAction(action);
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}
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packageFilter.addDataScheme("package");
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packageFilter.addDataSchemeSpecificPart(pkg, PatternMatcher.PATTERN_LITERAL);
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return packageFilter;
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}
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}
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